Mattermost - Mattermost is an open source alternative to Slack.
OnPay - Payroll and HR that make business a breeze
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Viventium - Viventium is a cloud-based payroll and human resource software solution designed for small to midsize businesses.
Slack - A messaging app for teams who see through the Earth!
Tribe HR - The best Online Human Resources Software for small & medium businesses, simplifying frustrating HR management challenges.